190380317 has 2 divisors, whose sum is σ = 190380318. Its totient is φ = 190380316.

The previous prime is 190380301. The next prime is 190380341. The reversal of 190380317 is 713083091.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 189172516 + 1207801 = 13754^2 + 1099^2 .

It is a cyclic number.

It is not a de Polignac number, because 190380317 - 2⁴ = 190380301 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (190380367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95190158 + 95190159.

It is an arithmetic number, because the mean of its divisors is an integer number (95190159).

Almost surely, 2^190380317 is an apocalyptic number.

It is an amenable number.

190380317 is a deficient number, since it is larger than the sum of its proper divisors (1).

190380317 is an equidigital number, since it uses as much as digits as its factorization.

190380317 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 190380317 is about 13797.8374030136. The cubic root of 190380317 is about 575.2730317703.

The spelling of 190380317 in words is "one hundred ninety million, three hundred eighty thousand, three hundred seventeen".